Propadiene, stabilized

Propadiene () or allene () is the organic compound with the formula H2C=C=CH2. It is the simplest allene, i.e. a compound with two adjacent carbon double bonds. As a constituent of MAPP gas, it has been used as a fuel for specialized welding. Wikipedia

Emergency Response Guide No. 116P

Data from the Hazardous Materials Table

Source: 49 CFR §172 (2018/07)

(3) Hazard Class

2.1
Flammable gases

(4) Identification number

UN 2200

(5) Packing Group

n/a

(6) Labels

Cargo Aircraft Only (Cargo Aircraft Only)

(7) Special Provisions (§172.102)

×Note:
Special provisions may be very complex. The extracts are taken from 49 CFR §172.102. Please be careful with the information, as necessary, additional conditions may be applied that are not written here. Please check the original source and report bugs.

387	see 49 CFR §172.102

(8) Packing Authorizations (§173.***)

(8A) Exceptions	None
(8B) Non-bulk	304	see 49 CFR §173.304
(8C) Bulk	314, 315	see 49 CFR §173.314, 315

(9) Quantity Limits

(9A) Passenger aircraft/rail	Forbidden
(9B) Cargo aircraft only	150 kg

(10) Vessel stowage

(10A) Location

Stowage category “B” means

(i) The material may be stowed “on deck” or “under deck” on a cargo vessel and on a passenger vessel carrying a number of passengers limited to not more than the larger of 25 passengers, or one passenger per each 3 m of overall vessel length; and
(ii) “On deck only” on passenger vessels in which the number of passengers specified in paragraph (k)(2)(i) of this section is exceeded.

Source: 49 CFR §172.101(k)

(10B) Other

25	Protected from sources of heat
40	Stow “clear of living quarters”.

Source: 49 CFR §176.84

Segregation Chart for Load, Transport, Storage

In this table a statement is contained for each hazard class whether the loading, transport or storage with other hazard classes is allowed, is not permitted or is restricted. The table is based on U.S.-Code 49 CFR §177.848.

Hazard Class	8	7	6.1	5.2	5.1	4.3	4.2	4.1	3	2.3B	2.3A	2.2	2.1	1.6	1.5	1.4	1.3	1.1/1.2
1.1/1.2
1.3
1.4
1.5
1.6
2.1
2.2
2.3A
2.3B
3
4.1
4.2
4.3
5.1
5.2
6.1
7
8

	May not be loaded, transported, or stored together in the same transport vehicle or storage facility.
	Load, transport, storage together is not restricted.
	Load, transport, storage together is allowed under restrictions.

Substances with similar name

UN-Number	Name	Hazard Class
UN 2752	1,2-Epoxy-3-ethoxypropane	3
	1,3-Diazopropane	Forbidden
UN 2688	1-Bromo-3-chloropropane	6.1
UN 1278	1-Chloropropane	3
UN 3241	2-Bromo-2-nitropropane-1,3-diol	4.1
	2-Nitro-2-methylpropanol nitrate	Forbidden
UN 2849	3-Chloropropanol-1	6.1
UN 1027	Cyclopropane	2.1
UN 2872	Dibromochloropropane	6.1
	Dichloropropene and propylene dichloride mixture, see 1,2- Dichloropropane
NA 1961	Ethane-Propane mixture, refrigerated liquid	2.1
	Isopropyl mercaptan, see Propanethiols
UN 1060	Methyl acetylene and propadiene mixtures, stabilized	2.1
UN 1274	n-Propanol or Propyl alcohol, normal	3
UN 2608	Nitropropanes	3
UN 2424	Octafluoropropaneor Refrigerant gas R 218	2.2
UN 2200	Propadiene, stabilized	2.1
UN 1978	Propane, see also Petroleum gases, liquefied	2.1
	Propyl alcohol, see Propanol
	Tris, bis-bifluoroamino diethoxy propane (TVOPA)	Forbidden